Energy saving pumps have a waterless seal

When trimming a centrifugal pump impelle

When trimming a centrifugal pump impeller can save energy and increase flow rate

✍ Stan Shiels 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 327 KB

SE—Structures and Environment: Utilizati

SE—Structures and Environment: Utilization of a Heat Pump in Pig Breeding for Energy Saving and Climate and Ammonia Control

✍ Giovanni Riva; Ester Foppa Pedretti; Claudio Fabbri 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 112 KB

The performance of three heating systems was analysed in closed-cycle pig farm (farrowing and weaning section). Three adjoining rooms were heated using one of the following systems: a reversible air to air heat pump (HP) for both heating and cooling; a standard liquid petroleum gas (LPG) boiler for